<p>
  softtest works!
</p>
<a [routerLink] = "['./black-box']">黑盒测试</a>
<a  [routerLink] = "['./white-box']">白盒测试</a>
<a  [routerLink] = "['./code-test']">脚本测试</a>
<router-outlet></router-outlet>
